I51.5: Myocardial degeneration
I51.5 is a billable, specific ICD-10-CM code for myocardial degeneration. It is valid for submission on a claim.
Check I51.5 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Fatty degeneration of heart or myocardium
- Myocardial disease
- Senile degeneration of heart or myocardium
Risk adjustment
I51.5 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 227 Cardiomyopathy/Myocarditis0.189 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
I51.5 is named in 8 Medicare coverage policies: 8 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A56476Billing and Coding: Cardiac Radionuclide Imaging
- A56500Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A56625Billing and Coding: Echocardiography
Alphabetic index entries that lead here
- Cardiomalacia
- Cardiomyoliposis
- Myocytolysis
- Degeneration, degenerative›myocardial, myocardium(fatty) (hyaline) (senile)
- Disease, diseased›myocardium, myocardial
- Stricture›myocardium, myocardial
- Syndrome›Beau's
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under I51
- I51.0Cardiac septal defect, acquired
- I51.1Rupture of chordae tendineae, not elsewhere classified
- I51.2Rupture of papillary muscle, not elsewhere classified
- I51.3Intracardiac thrombosis, not elsewhere classified
- I51.4Myocarditis, unspecified
- I51.7Cardiomegaly
- I51.8Other ill-defined heart diseases
- I51.9Heart disease, unspecified